Which of the following statements are correct ?

Options

A. Helium diffuses at a rate 8.65 times as much as CO does
B. Helium escape at a rate 2.65 times as fast as CO does
C. Helium escapes at a rate 4 times as fast as `CO_(2)` does
D. Helium escapes at a rate 4 times as fast as `SO_(2)` does

Answer

B,D